DocumentCode
1677680
Title
Watermark security via wavelet filter parametrization
Author
Meerwald, Peter ; Uhl, Andreas
Author_Institution
Dept. of Sci. Comput., Paris-Lodron-University, Salzburg, Austria
Volume
3
fYear
2001
fDate
6/23/1905 12:00:00 AM
Firstpage
1027
Abstract
We propose to use secret, key-dependent, parametric, wavelet filters to improve the security of digital watermarking schemes operating in the wavelet transform domain. We show that the parametrization of wavelet filters can be easily integrated into existing wavelet-based watermarking algorithms, resulting in improved security without additional computational complexity. Both robustness and imperceptibility are adequate for many applications
Keywords
copy protection; digital filters; image coding; transform coding; wavelet transforms; computational complexity; digital images; digital watermarking; image compression; imperceptibility; improved security; robustness; watermark security; wavelet filter parametrization; wavelet transform domain; Discrete cosine transforms; Discrete wavelet transforms; Filters; Image coding; Information security; Protection; Robustness; Watermarking; Wavelet domain; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing, 2001. Proceedings. 2001 International Conference on
Conference_Location
Thessaloniki
Print_ISBN
0-7803-6725-1
Type
conf
DOI
10.1109/ICIP.2001.958301
Filename
958301
Link To Document